4-Amino-2,2,6,6-tetra:methyl piperidine prepn

4-Amino-2,2,6,6-tetra:methyl piperidine prepn

4-Amino-2,2,6,6-tetramethyl piperidine (I) is prepd. by reacting 2,2,6,6-tetramethyl -4-oxopiperidine (II) with NH3 and H2 at 100-135 deg.C and a pressure of 10-25 bar in an aq. medium in the presence of a hydrogenation catalyst (III) and 1-2 wt.% (w.r.t. (III)) of an alkali(ne earth) metal hydroxid...

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Hauptverfasser: PARAMONOV VLADIMIR IVANOVICH, FILINA RAISA DMITRIEVNA, BUKATIN VIKTOR MIKHAILOVICH, TATSITOV VITALY IVANOVICH, POPOVA ZINAIDA GRIGORIEVNA, PANKOVA TATYANA ANATOLIEVNA, GENTS VLADIMIR KHRISTIANOVICH
Format: Patent
Sprache:eng ; ita
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:4-Amino-2,2,6,6-tetramethyl piperidine (I) is prepd. by reacting 2,2,6,6-tetramethyl -4-oxopiperidine (II) with NH3 and H2 at 100-135 deg.C and a pressure of 10-25 bar in an aq. medium in the presence of a hydrogenation catalyst (III) and 1-2 wt.% (w.r.t. (III)) of an alkali(ne earth) metal hydroxide.